3204 B.2RS1 Double Row Angular Contact Ball Bearing, 40° Contact Angle & Double Lip Contact Seals

3204 B.2RS1 is a double-row integrated angular contact ball bearing with 40° large contact angle and double-sided 2RS1 lip contact seals. Its built-in back-to-back ball layout combines two single-row bearings into one compact unit, capable of bearing heavy radial loads plus strong bidirectional axial loads and anti-tilting moments. Factory pre-filled with high-performance grease and fully sealed, it fits dusty working environments such as packaging equipment, gear reducers and agricultural machinery.

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• 40° large contact angle greatly improves axial load bearing capacity compared to standard 30° A-type models
• 2RS1 double lip rubber seals block dust, water splash and retain internal lubricant steadily
• Integrated double-row structure saves axial installation space vs paired single-row bearings
• Glass-fiber reinforced polyamide cage delivers low friction and stable high-speed rotation
• Pre-greased design cuts regular maintenance frequency for continuous production equipment
• Standard ISO dimensional specification supports direct interchange and replacement

Helps reduce maintenance cost and improve machine performance

This bearing is widely used in:

• Packaging machinery drive and rotary assemblies
• Agricultural equipment transmission shafts
• Small gearbox and speed reducer output ends
• Conveyor heavy-duty roller supporting positions
• Light automotive auxiliary power transmission units

Ideal for customers looking for reliable and long-life bearing solutions

Full technical data and drawings available upon request

• 25+ years experience in industrial double row angular contact bearing manufacturing
• Exported to more than 50 countries worldwide
• Rich experience in OEM custom sealed bearing customization
• Strict multi-step dimensional and load performance inspection before shipment
• Fast reply within 24 hours
• Stable bulk supply for long-term cooperation

We focus on quality, reliability, and long-term partnership

Quality Control

• Raw material composition and hardness inspection
• Raceway grinding precision and surface roughness test
• Seal tightness and grease retention performance detection
• Load rating and rotational noise testing
• Final dimensional and visual appearance inspection before packing

Ensuring stable performance of each bearing

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• Fast quotation within 24 hours
• Professional technical support from bearing engineers
• Custom clearance and precision grade solution suggestions
• Competitive factory direct price

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